Almandine Garnet and Cinnabar Physical Properties

Almandine Garnet

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

4.32

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

None.

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

7.5-8.52-2.5

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Almandine Garnet and Cinnabar Chemical Formula

While comparing Almandine Garnet and Cinnabar physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Almandine Garnet and Cinnabar chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Almandine Garnet and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine Garnet and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine Garnet and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Almandine Garnet is 2 whereas that of Cinnabar is 2.